@article{SF_1986__33_134795,
     author = {J. Okninski},
     title = {On semigroup algebras satysfying polynomial identities.},
     journal = {Semigroup forum},
     pages = {87--102},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     zbl = {0581.20065},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134795/}
}